Home / 158,725.37-219,034.13-87,106.59

Finding the Fourth Proportional to 158,725.37, 219,034.13 and 87,106.59

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Solution

The fourth proportional to 158,725.37, 219,034.13 and 87,106.59 is: 120,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,725.37 : 219,034.13 = 87,106.59 : x
  2. Step 2: Convert to fraction form
    158,725.37/219,034.13 = 87,106.59/x
  3. Step 3: Cross multiply
    158,725.37x = 219,034.13 × 87,106.59
  4. Step 4: Simplify right side
    158,725.37x = 19,079,315,722.38
  5. Step 5: Solve for x
    x = 19,079,315,722.38/158,725.37
  6. Step 6: Final answer
    x = 120,203.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.